<template>
    <div class="app">
        <h3>我是app(祖组件)</h3>
        <Child></Child>
    </div>
</template>

<script>
    import Child from "./components/Child.vue";

    export default {
        name: "App",
        components: { Child },
    }
</script>

<style>
    .app{
        background-color: gray;
        padding: 10px;
    }
</style>

